SIESEANAP-480

Air purifier

DOE certified smoke CADR

270cfmDOE test

Dust 271 · PM2.5 270 cfm

Effective room size 419 sq ft (DOE)

DOE data as of 2026-11-03DOE record

Does it fit your room? How DOE sizes rooms

SIESEAN AP-480: certified to DOE with smoke CADR 270 cfm, dust 271, PM2.5 270, effective room size 419 sq ft. DOE data as of 2026-11-03.

Every model number on this record

Filed with DOE under basic model AP-480. A listing with any of these numbers is this unit.

Every model number filed under basic model AP-480, DOE data as of 2026-11-03
Model numberFiled by
AP-480 (DOE basic model)SIESEAN

How much does the SIESEAN AP-480 cost to run?

About $3.71 a month, or $44.49 a year, on DOE's annual energy figure of 245 kWh.

Electricity at 18.16¢/kWh, the US residential average for August 2026 (EIA Electric Power Monthly, table 5.6.A). Each 1¢/kWh you pay above or below 18.16¢ moves the yearly figure by $2.45.

How does the SIESEAN AP-480 rank in its DOE class?

In its DOE class (air purifiers, PM2.5 CADR 150+ cfm), 63 models have a matched Amazon listing. Its CADR/W of 6.4 is 15th of the 63, and 28% above their median of 5.

DOE's annual energy figure for it is 245 kWh, against their median of 266 kWh: $3.81 a year less at the US average price.

Air purifiers for 300 sq ft (44 with a listing)

Among 140 air purifiers, PM2.5 CADR 150+ cfm

Smoke CADR (cfm)270

Higher than 83 of 140. 2 others share 270.

143591 cfm

Efficiency (CADR/W)6.4

Higher than 100 of 140. 3 others share 6.4.

313.5

Three to compare with

From models with a matched listing.

  • Within 20 cfm of its size, highest CADR/W

    Blueair 3332111100283 smoke CADR

    Room size 439 sq ft, CADR/W 8.4: about 24% less power for the same clean air.

  • Nearest size in its class with a higher CADR/W

    Honeywell HPA6000B257 smoke CADR

    Room size 398 sq ft, CADR/W 7.3: about 12% less power for the same clean air.

  • Nearest bigger unit

    Dreo DR-HAP003S294 smoke CADR

    Room size 456 sq ft, CADR/W 6.2.

DOE record

Air cleaning

Smoke CADR
270 cfm
Dust CADR
271 cfm
PM2.5 CADR
270 cfm
Effective room size
419 sq ft
Efficiency (IEF)
6.4 cfm/W
Energy use
245 kWh/year

Record

DOE basic model
AP-480
DOE class
150 <= PM2.5 Clean Air Delivery Rate
Brands on the filings
1
In DOE's list since
2026-11-02first snapshot we hold
UPC (ENERGY STAR record)
740145499870, 740145499887, 757167382530, 785434412420
ENERGY STAR record
AP-480certified 2026-09-01

Questions

What room size is it for?
DOE lists an effective room size of 419 sq ft, based on its smoke CADR of 270 cfm: CADR and room size.
How much does the SIESEAN AP-480 cost to run for a year?
About $44.49: DOE's annual figure of 245 kWh at 18.16¢/kWh, the US residential average for August 2026 (EIA).